14,15-Epoxyeicosa-5,8,11-trienoic Acid (14,15-EET) surrogates: carboxylate modifications.

14,15-Epoxyeicosa-5,8,11-trienoic Acid (14,15-EET) surrogates: carboxylate modifications.
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14,15-氯氧基-5,8,11-三烯酸(14,15-EET)替代物:羧酸盐修饰。

DOI:
10.1021/jm500262m
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发表时间:
2014-08-28
影响因子:
7.3
通讯作者:
Campbell WB
Campbell WB
中科院分区:
医学1区
文献类型:
--
作者:
Falck JR;Koduru SR;Mohapatra S;Manne R;Atcha KR;Atcha R;Manthati VL;Capdevila JH;Christian S;Imig JD;Campbell WB

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细胞色素P450二十烷类化合物14,15-环氧乙烷-5,8,11-三烯酸(14,15-EET)是一种强大的内源性藻类化合物,已被认为具有一系列令人印象深刻的生理功能,包括调节血压。由于14,15-EET在化学和代谢上是不稳定的,因此引入了含有环氧化物生物等位体的结构相关的替代物,并已成为有用的体外药理工具,但不适合体内应用。制备了新一代含有羧酸盐修饰的EET模拟物,并对其血管松弛和对可溶性环氧化物水解酶(SEH)的抑制进行了评价。四氮唑19(ED500.18μM)和恶二唑-5-硫酮25(ED500.36μM)的血管松弛作用分别是14,15-EET的12倍和6倍;另一方面,它们阻断SSH的能力有很大差异,分别为11vs500 nM。这些数据将加快有效和特定的体内候选药物的开发。
The cytochrome P450 eicosanoid 14,15-epoxyeicosa-5,8,11-trienoic acid (14,15-EET) is a powerful endogenous autacoid that has been ascribed an impressive array of physiologic functions including regulation of blood pressure. Because 14,15-EET is chemically and metabolically labile, structurally related surrogates containing epoxide bioisosteres were introduced and have become useful in vitro pharmacologic tools but are not suitable for in vivo applications. A new generation of EET mimics incorporating modifications to the carboxylate were prepared and evaluated for vasorelaxation and inhibition of soluble epoxide hydrolase (sEH). Tetrazole 19 (ED50 0.18 μM) and oxadiazole-5-thione 25 (ED50 0.36 μM) were 12- and 6-fold more potent, respectively, than 14,15-EET as vasorelaxants; on the other hand, their ability to block sEH differed substantially, i.e., 11 vs >500 nM. These data will expedite the development of potent and specific in vivo drug candidates.
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